Home / 129,527.04-194,290.29-40,788.30

Finding the Fourth Proportional to 129,527.04, 194,290.29 and 40,788.30

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Solution

The fourth proportional to 129,527.04, 194,290.29 and 40,788.30 is: 61,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,527.04 : 194,290.29 = 40,788.30 : x
  2. Step 2: Convert to fraction form
    129,527.04/194,290.29 = 40,788.30/x
  3. Step 3: Cross multiply
    129,527.04x = 194,290.29 × 40,788.30
  4. Step 4: Simplify right side
    129,527.04x = 7,924,770,635.61
  5. Step 5: Solve for x
    x = 7,924,770,635.61/129,527.04
  6. Step 6: Final answer
    x = 61,182.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.